53149000 has 32 divisors (see below), whose sum is σ = 124371000. Its totient is φ = 21259200.

The previous prime is 53148971. The next prime is 53149007. The reversal of 53149000 is 94135.

It can be written as a sum of positive squares in 4 ways, for example, as 18645124 + 34503876 = 4318^2 + 5874^2 .

It is not an unprimeable number, because it can be changed into a prime (53149007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25575 + ... + 27574.

Almost surely, 2^53149000 is an apocalyptic number.

53149000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53149000 is an abundant number, since it is smaller than the sum of its proper divisors (71222000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53149000 is a wasteful number, since it uses less digits than its factorization.

53149000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53170 (or 53156 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 53149000 is about 7290.3360690712. The cubic root of 53149000 is about 375.9802502075.

The spelling of 53149000 in words is "fifty-three million, one hundred forty-nine thousand".